Update documentation for branch main

Author: github-actions

main/footer.js

@@ -1,7 +1,7 @@
 function writeHeader() {
-    document.write('Version 2.2.0-dev17');
+    document.write('Version 2.2.0-dev19');
 };
 
 function writeFooter()  {
-    document.write('Generated on Wed Jan 21 2026 09:53:56 for CMSIS-Compiler Support 2.2.0-dev17+g260fdba. Copyright © 2026 Arm Limited (or its affiliates). All rights reserved.');
+    document.write('Generated on Tue Jan 27 2026 08:59:57 for CMSIS-Compiler Support 2.2.0-dev19+g59e2684. Copyright © 2026 Arm Limited (or its affiliates). All rights reserved.');
 };

main/retarget_io_std.png

@@ -180,7 +180,9 @@ <h3><a class="anchor" id="rt_io_std_subcomponents"></a>
  Usually, data is shown in a dedicated window.<br  />
  No additional code is required to output or input data through the ITM channel. However, you have to configure the ITM channel for tracing.    </td></tr>
 <tr class="markdownTableRowEven">
-<td class="markdownTableBodyLeft"><b>Custom</b>   </td><td class="markdownTableBodyLeft">Retarget I/O stream to a user defined interface (such as UART or other application specific interface).<br  />
+<td class="markdownTableBodyLeft"><b>UART</b>   </td><td class="markdownTableBodyLeft">Retarget I/O streams to UART. Default implementation variant uses CMSIS-Driver USART.    </td></tr>
+<tr class="markdownTableRowOdd">
+<td class="markdownTableBodyLeft"><b>Custom</b>   </td><td class="markdownTableBodyLeft">Retarget I/O stream to a user defined interface (such as custom UART implementation or other application specific interface).<br  />
 See <a class="el" href="#custom_subcomponent">"Custom" Subcomponent</a> for further details.   </td></tr>
 </table>
 <blockquote class="doxtable">

main/rt_io.html

@@ -1,6 +1,6 @@
 //--- list of versions ---
 const versions = {
-    "main": "2.2.0-dev17",
+    "main": "2.2.0-dev19",
     "latest": "2.1.0",
     "v2.0.0": "2.0.0",
     "v1.0.0": "1.0.0"